Accio and Manrico are siblings from a working-class family in 1960s Italy: older Manrico is handsome, charismatic, and loved by all, while younger Accio is sulky, hot-headed, and treats life as a battleground — much to his parents’ chagrin. After the former is drawn into left-wing politics, Accio joins the fascists out of spite, but his flimsy beliefs are put to test when he falls for Manrico’s like-minded girlfriend.

When their father is murdered, three brothers descend upon an Oregon mountain river to spread his ashes. After they arrive, one of their children goes missing. One of the brothers was himself abducted 30 years ago when they visited this same river, but he has blocked the incident out of his mind. Only by unlocking the mysteries inside his subconscious, will they be able find the child.